64154564 has 12 divisors (see below), whose sum is σ = 118179600. Its totient is φ = 30388968.

The previous prime is 64154561. The next prime is 64154591. The reversal of 64154564 is 46545146.

It is not an unprimeable number, because it can be changed into a prime (64154561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421994 + ... + 422145.

It is an arithmetic number, because the mean of its divisors is an integer number (9848300).

Almost surely, 2^64154564 is an apocalyptic number.

It is an amenable number.

64154564 is a deficient number, since it is larger than the sum of its proper divisors (54025036).

64154564 is a wasteful number, since it uses less digits than its factorization.

64154564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844162 (or 844160 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 64154564 is about 8009.6544245055. The cubic root of 64154564 is about 400.3217494572.

The spelling of 64154564 in words is "sixty-four million, one hundred fifty-four thousand, five hundred sixty-four".